workbench/devs/AHI/Drivers/SB128/DriverData.h

   1 /*
   2
   3 The contents of this file are subject to the AROS Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
   4 http://www.aros.org/license.html
   5
   6 Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
   7 ANY KIND, either express or implied. See the License for the specific language governing rights and
   8 limitations under the License.
   9
  10 The Original Code is (C) Copyright 2004-2011 Ross Vumbaca.
  11
  12 The Initial Developer of the Original Code is Ross Vumbaca.
  13
  14 All Rights Reserved.
  15
  16 */
  17
  18 #ifndef AHI_Drivers_Card_DriverData_h
  19 #define AHI_Drivers_Card_DriverData_h
  20
  21 #include <exec/types.h>
  22 #include <exec/interrupts.h>
  23 #include <devices/ahi.h>
  24
  25 #define DRIVER "sb128.audio"
  26 #define DRIVER_NEED_GLOBAL_EXECBASE
  27 #include "DriverBase.h"
  28
  29 struct CardData;
  30
  31 struct CardBase
  32 {
  33     /** Skeleton's variables *************************************************/
  34
  35     struct DriverBase      driverbase;
  36
  37
  38     /** A sempahore used for locking */
  39     struct SignalSemaphore semaphore;
  40
  41     /** The number of cards found */
  42     int                    cards_found;
  43
  44     /** A CardData structure for each card found */
  45     struct CardData**   driverdatas;
  46 };
  47
  48 #define RECORD_BUFFER_SAMPLES     1024
  49
  50
  51 struct CardData
  52 {
  53     /*** PCI/Card initialization progress *********************************/
  54
  55   struct PCIDevice    *pci_dev;
  56         unsigned long       iobase;
  57         unsigned long               length;
  58         unsigned short            model;
  59   unsigned char       chiprev;
  60         unsigned int        irq;
  61
  62     /** TRUE if bus mastering is activated */
  63     BOOL                pci_master_enabled;
  64
  65     /** TRUE if the Card chip has been initialized */
  66     BOOL                card_initialized;
  67
  68     /** TRUE if the card is an ES1370 */
  69     BOOL                es1370;
  70
  71     /** A semaphore used for hardware access serialisation *******************/
  72     struct SignalSemaphore sb128_semaphore;
  73
  74
  75     /*** The driverbase ******************************************************/
  76
  77     /** This field is also used as a lock and access to it is
  78      * semaphore protected. */
  79     struct DriverBase*  ahisubbase;
  80
  81
  82     /*** The AudioCtrl currently using this DriverData structure *************/
  83
  84     struct AHIAudioCtrlDrv* audioctrl;
  85
  86
  87     /*** Playback/recording interrupts ***************************************/
  88
  89     /** TRUE when playback is enabled */
  90     BOOL                is_playing;
  91
  92     /** TRUE when recording is enabled */
  93     BOOL                is_recording;
  94
  95     /** The main (hardware) interrupt */
  96     struct Interrupt    interrupt;
  97
  98     /** TRUE if the hardware interrupt has been added to the PCI subsystem */
  99     BOOL                interrupt_added;
 100
 101     /** The playback software interrupt */
 102     struct Interrupt    playback_interrupt;
 103
 104     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 105     BOOL                playback_interrupt_enabled;
 106
 107     /** The recording software interrupt */
 108     struct Interrupt    record_interrupt;
 109
 110     /** TRUE if the hardware interrupt may Cause() playback_interrupt */
 111     BOOL                record_interrupt_enabled;
 112
 113
 114
 115     /*** CAMD support functions **********************************************/
 116
 117     /** CAMD transmitter function wrapped as a Hook */
 118     struct Hook*        camd_transmitfunc;
 119
 120     /** CAMD receiver function wrapped as a Hook */
 121     struct Hook*        camd_receivefunc;
 122
 123     /** True if CMAD V40 mode */
 124     ULONG               camd_v40;
 125
 126
 127
 128     /*** Playback interrupt variables ****************************************/
 129
 130     APTR                playback_buffer;
 131     APTR                playback_buffer_nonaligned;
 132     APTR                playback_buffer_phys;
 133
 134     /** The mixing buffer (a cyclic buffer filled by AHI) */
 135     APTR                mix_buffer;
 136
 137     /** The length of each playback buffer in sample frames */
 138     ULONG               current_frames;
 139
 140     /** The length of each playback buffer in sample bytes */
 141     ULONG               current_bytesize;
 142
 143     /** Where (inside the cyclic buffer) we're currently writing */
 144     APTR                current_buffer;
 145
 146     int                 flip;
 147
 148
 149
 150     /*** Recording interrupt variables ***************************************/
 151
 152     /** The recording buffer (simple double buffering is used */
 153     APTR                record_buffer;
 154     APTR                record_buffer_nonaligned;
 155     APTR                record_buffer_phys;
 156
 157     /** Were (inside the recording buffer) the current data is */
 158     APTR                current_record_buffer;
 159
 160     /** The length of each record buffer in sample bytes */
 161     ULONG               current_record_bytesize;
 162
 163     int                 recflip;
 164
 165
 166
 167     /** Analog mixer variables ***********************************************/
 168
 169     /** The currently selected input */
 170     UWORD               input;
 171
 172     /** The currently selected output */
 173     UWORD               output;
 174
 175     /** The current (recording) monitor volume */
 176     Fixed               monitor_volume;
 177
 178     /** The current (recording) input gain */
 179     Fixed               input_gain;
 180
 181     /** The current (playback) output volume */
 182     Fixed               output_volume;
 183
 184     /** The hardware register value corresponding to monitor_volume */
 185     UWORD               monitor_volume_bits;
 186
 187     /** The hardware register value corresponding to input_gain */
 188     UWORD               input_gain_bits;
 189
 190     /** The hardware register value corresponding to output_volume */
 191     UWORD               output_volume_bits;
 192
 193     /** Saved state for AC97 mike */
 194     UWORD               ac97_mic;
 195
 196     /** Saved state for AC97 cd */
 197     UWORD               ac97_cd;
 198
 199     /** Saved state for AC97 video */
 200     UWORD               ac97_video;
 201
 202     /** Saved state for AC97 aux */
 203     UWORD               ac97_aux;
 204
 205     /** Saved state for AC97 line in */
 206     UWORD               ac97_linein;
 207
 208     /** Saved state for AC97 phone */
 209     UWORD               ac97_phone;
 210
 211     /** Saved state of AK4531 Output Register 1 */
 212     char                ak4531_output_1;
 213
 214     /** Saved state of AK4531 Output Register 1 */
 215     char                ak4531_output_2;
 216
 217     /** The current Playback Frequency */
 218     int                 currentPlayFreq;
 219
 220     /** The current Record Frequency */
 221     int                 currentRecFreq;
 222 };
 223
 224 #endif /* AHI_Drivers_Card_DriverData_h */